168907208964 has 144 divisors (see below), whose sum is σ = 453701223360. Its totient is φ = 48559392000.

The previous prime is 168907208947. The next prime is 168907208969. The reversal of 168907208964 is 469802709861.

168907208964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 168907208898 and 168907208907.

It is not an unprimeable number, because it can be changed into a prime (168907208969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4328139 + ... + 4366989.

It is an arithmetic number, because the mean of its divisors is an integer number (3150702940).

Almost surely, 2^168907208964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168907208964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226850611680).

168907208964 is an abundant number, since it is smaller than the sum of its proper divisors (284794014396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168907208964 is a wasteful number, since it uses less digits than its factorization.

168907208964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38962 (or 38929 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 168907208964 in words is "one hundred sixty-eight billion, nine hundred seven million, two hundred eight thousand, nine hundred sixty-four".